c

akka.japi.pf

ReceiveBuilder

class ReceiveBuilder extends AnyRef

Used for building a partial function for Actor.receive().

There is both a match on type only, and a match on type and predicate.

Inside an actor you can use it like this with Java 8 to define your receive method.

Example:

@Override
public Actor() {
  receive(ReceiveBuilder.
    match(Double.class, d -> {
      sender().tell(d.isNaN() ? 0 : d, self());
    }).
    match(Integer.class, i -> {
      sender().tell(i * 10, self());
    }).
    match(String.class, s -> s.startsWith("foo"), s -> {
      sender().tell(s.toUpperCase(), self());
    }).build()
  );
}

This is an EXPERIMENTAL feature and is subject to change until it has received more real world testing.

Source
ReceiveBuilder.java
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